/*
 *
 *  Copyright (C) 2010 Tal Eisenberg
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package tal.drivechain.matchers;

import tal.drivechain.chain.ChainNode;

/**
 *
 * @author Main
 */
public abstract class ValueMatcher {
    boolean any, none;
    
    public void parsePattern(String pattern) throws IllegalArgumentException {
        pattern = pattern.trim();
        any = (pattern.equals("any"));
        none = (pattern.equals("none"));
        if (!any && !none) parseSpecial(pattern);
    }
    
    public boolean matches(Object value, ChainNode context) throws IllegalArgumentException {
        if (any) return true;
        else if (none) return false;
        else return matchSpecial(value, context);
    }
    
    protected abstract void parseSpecial(String pattern) throws IllegalArgumentException;
    protected abstract boolean matchSpecial(Object value, ChainNode context) throws IllegalArgumentException;
}
